BaseCheckoutActivity.java

package org.onehippo.forge.konakart.hst.wizard.checkout.activity;

import com.konakart.al.KKAppException;
import com.konakart.app.KKException;
import com.konakart.appif.BasketIf;
import com.konakart.appif.CustomerIf;
import com.konakart.bl.ConfigConstants;
import org.onehippo.forge.konakart.hst.wizard.BaseActivity;

public abstract class BaseCheckoutActivity extends BaseActivity {

  /**
   * This method is used to validate the cart before going foward with the checkout process
   */
  protected boolean validateCurrentCart() {

    try {
      // Update the basket data from the database
      kkAppEng.getBasketMgr().getBasketItemsPerCustomer();

      // Check to see whether there is something in the cart
      CustomerIf cust = kkAppEng.getCustomerMgr().getCurrentCustomer();
      if (cust.getBasketItems() == null || cust.getBasketItems().length == 0) {
        redirectToCartDetail();
        return false;
      }

      // Check that all cart items have a quantity of at least one
      boolean removed = false;
      for (int i = 0; i < cust.getBasketItems().length; i++) {
        BasketIf b = cust.getBasketItems()[i];
        if (b.getQuantity() == 0) {
          kkAppEng.getBasketMgr().removeFromBasket(b, /* refresh */false);
          removed = true;
        }
      }

      if (removed) {
        // Update the basket data from the database
        kkAppEng.getBasketMgr().getBasketItemsPerCustomer();

        // Check to see whether there is something in the cart
        if (cust.getBasketItems() == null || cust.getBasketItems().length == 0) {
          redirectToCartDetail();
          return false;
        }
      }

      // Check to see whether we are trying to checkout an item that isn't in stock
      String stockAllowCheckout = kkAppEng.getConfig(ConfigConstants.STOCK_ALLOW_CHECKOUT);
      if (stockAllowCheckout != null && stockAllowCheckout.equalsIgnoreCase("false")) {
        // If required, we check to see whether the products are in stock
        BasketIf[] items = kkAppEng.getEng().updateBasketWithStockInfoWithOptions(
            cust.getBasketItems(), kkAppEng.getBasketMgr().getAddToBasketOptions());

        for (BasketIf basket : items) {
          if (basket.getQuantity() > basket.getQuantityInStock()) {
            redirectToCartDetail();
            return false;
          }
        }
      }

      return true;
    } catch (KKException e) {
      log.warn("Cart has been invalidated", e);
    } catch (KKAppException e) {
      log.warn("Cart has been invalidated", e);
    }

    return false;
  }

  protected void redirectToCartDetail() {
    processorContext.getSeedData().getKkBaseHstComponent().redirectByRefId(hstRequest, hstResponse,
        processorContext.getSeedData().getKkBaseHstComponent().getCartDetailRefId());
  }

}